A new species of fern of the genus Pteris (Filicales: Pteridaceae) endemic to Costa Rica.

 

Gorde:
Xehetasun bibliografikoak
Egileak: Rojas Alvarado, Alexander Fco., Palacios Ríos, Mónica
Formatua: artículo original
Egoera:Versión publicada
Argitaratze data:2006
Deskribapena:Abstract: A new species of fern of the genus Pteris (Filicales: Pteridaceae) endemic to Costa Rica. The new fern species Pteris herrerae A. Rojas & M. Palacios, endemic to Costa Rica, is described. It differs from P. decurrens C. Presl in basal segments reduced to 1/5-1/2 of the next segment (vs. 2/3-3/4), basal pinnae not bifurcated (vs. bifurcated), pinnae apex mucronate (vs. acuminate) and segment apex undulate (vs. dentate). It differs from Pteris consanguinea in the elliptic pinnae (vs. oblong), two segments reduced on the base (vs. lack), segments entire to undulate (vs. dentate), basal pinnae without basiscopic lobes (vs. with basiscopic lobes) and segment apex entire to undulate (vs. dentate).
Herria:Portal de Revistas UCR
Erakundea:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Hizkuntza:Inglés
Español
OAI Identifier:oai:portal.ucr.ac.cr:article/13960
Sarrera elektronikoa:https://revistas.ucr.ac.cr/index.php/rbt/article/view/13960
Gako-hitza:Pteris
new species
Pteridaceae